"The performance is lousy and there's nothing new. no ray tracing, no AI. It's 7nm with HBM memory that barely keeps up with a 2080. And if we turn on DLSS we'll crush it. And if we turn on ray tracing we'll crush it."

The Radeon VII, meant for gamers, is expected to ship by Feb. 7.

AMD CEO Lisa Su, though not engaging in mudslinging, responded by saying: "I would probably suggest he hasn't seen it."